Senior Java Tech Lead / Lead Architect
Summary
Lead the architecture and development of a large-scale enterprise Java platform used for tax compliance, financial reporting, and complex calculations, guiding a growing team of Java engineers.
About the Role
We are looking for a Senior Java Tech Lead / Lead Architect to join a long-term enterprise project for one of our global consulting clients.
Initially, you will participate in discovery activities and help define the technical direction of the project. As development ramps up, you will transition into a key technical leadership role, driving architecture decisions, technical execution, and helping scale the engineering team.
This is an excellent opportunity to shape a large-scale enterprise platform from the early stages while remaining hands-on with development.
Project Overview
The project focuses on the maintenance and further development of complex enterprise calculator applications written in Java.
The platform is used by approximately 300 international corporate clients and supports business-critical functionality, including:
Tax compliance (JPK generation)
Financial reporting
Complex financial calculations and statements
Enterprise business workflows
The team will initially consist of 1–2 dedicated Java engineers and is expected to grow to approximately five specialists as the platform expands.
What You'll Do
Lead the technical direction of the project
Participate in discovery sessions and architecture discussions with the client
Design scalable and maintainable enterprise solutions
Develop and maintain Java applications
Review code and establish engineering best practices
Support technical decision-making across the team
Collaborate closely with client stakeholders and business representatives
Help build and scale the engineering team as the project grows
Ensure high standards of code quality, performance, and maintainability
Requirements
8+ years of commercial Java development experience
Proven experience as a Technical Lead, Lead Developer, Lead Architect, or similar senior technical role
Strong experience designing and maintaining enterprise Java applications
Experience leading technical discovery and solution design
Strong understanding of software architecture and enterprise application design
Experience working directly with enterprise clients and stakeholders
Excellent communication skills
English level B2 or higher
Located within the EU
Nice to Have
Experience in financial, tax, or regulatory systems
Experience working with large enterprise consulting organizations
Experience scaling engineering teams
Experience modernizing legacy Java applications
Cloud and CI/CD experience
What We're Looking For
Strong technical leadership without losing hands-on engineering skills
Ability to make architectural decisions and guide technical delivery
Excellent communication and stakeholder management skills
Ownership mindset with a focus on long-term product quality
Comfortable working in enterprise environments with complex business domains
